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Finding the Fourth Proportional to 5,584.32, 8,377.02 and 1,887.69

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Solution

The fourth proportional to 5,584.32, 8,377.02 and 1,887.69 is: 2,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.32 : 8,377.02 = 1,887.69 : x
  2. Step 2: Convert to fraction form
    5,584.32/8,377.02 = 1,887.69/x
  3. Step 3: Cross multiply
    5,584.32x = 8,377.02 × 1,887.69
  4. Step 4: Simplify right side
    5,584.32x = 15,813,216.88
  5. Step 5: Solve for x
    x = 15,813,216.88/5,584.32
  6. Step 6: Final answer
    x = 2,831.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.